Earlier in the day we reported the release of the iOS 4.3.1 then later on presented a guide on how to do a tethered jailbreak for the iPhone 4 on the iOS 4.3.1. Then we posted a step-by-step guide for iPad owners as iOS 4.3.1 has been jailbroken for these users as well! Now here is the guide for the iPod Touch 4G users to get a tethered jailbreak on iOS 4.3.1! However, every time you will start your iPod Touch 4G you will need to reboot it into jailbreak mode using tethered boot utility (re-jailbreak it every time you restart your iPod Touch 4G ) because custom iOS 4.3.1 jailbreak is available in tethered mode only for now. You can jailbreak iOS 4.3.1 yourself using Pwnage Tool (version 4.2), Tethered Boot Utility and Universal Ramdisk Fixer.

Step 1: Download PwnageTool bundle for iOS 4.3.1 and extract the content into a folder.

Step 2: Because this guide is geared towards iPod Touch 4G we will be using iPod Touch 4G bundle file named “iPod4,1_4.3.1_8G4.bundle”. Copy this file to your desktop.

Step 3: Next you need to download the PwnageTool 4.2.

Step 4: Copy PwnageTool 4.2 in Application folder. Right click on the PwnageTool icon and click on “show Package Contents”.

Step 5: Now you need to browse to Contents/Resources/FirmwareBundles/ and paste the iPod4,1_4.3.1_8G4.bundle file at this location which we copied on the desktop in step 2.

Step 6: Because of the lack of support in PwnageTool 4.2 to patch the iOS 4.3.1 we need to use Ramdisk Fixer to create custom Ramdisk for iOS 4.3.1. You can download Universal Ramdisk Fixer using the above given links and install it.

Step 7: Next step is to build iOS 4.3.1 custom firmware for which you need to download iOS 4.3.1 firmware (from the link mentioned in the start).

Step 14: For Windows users press and hold left shift button and for Mac users press and hold “Alt” button on the key while clicking on “restore” button and select Custom iOS 4.3.1 jpsw file which we created in step 11.

Step 15: Final step!, just wait till iTunes finish installing custom firmware on your iPod Touch 4G. Now you are on the iOS 4.3.1 on your iPod Touch 4G in tethered JB state!

But, if you reboot you will have to use the following guide to do the tethered boot:

Tethered Boot Guide:

So far jailbroken iOS4.3.1 device is available only in tethered mode and to boot in to that mode after rebooting you device follow the following steps.

Step 1: You will need tetheredboot.zip utility which you can download using following link and Unzip the content of the file in folder named tetheredboot.

Step 2: Copy tetheredboot folder in downloads folder.

Step 3: Change the extension of the custom iOS 4.3.1 FW from .jpsw to .zip, and extract the content into a folder.

Step 4: Find and copy kernelcache.release.n81 andiBSS.n81ap.RELEASE.dfu files which will be located at /Firmware/dfu/.

Step 7: At this point you will notice some processing in the terminal window and you will be asked to Enter into DFU (Device Firmware Upgrade) mode on your iPod Touch 4G. To do so hold home and power buttons together for 10 seconds after which release power button while keep holding home button for another 10 seconds after which you will enter DFU mode.

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joe

i got error 2 using this step

Jay

Yes I get error 2 in itunes when installing the custom FW?? please help!